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Finding the Fourth Proportional to 181,149.84, 271,637.34 and 75,940.56

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Solution

The fourth proportional to 181,149.84, 271,637.34 and 75,940.56 is: 113,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,149.84 : 271,637.34 = 75,940.56 : x
  2. Step 2: Convert to fraction form
    181,149.84/271,637.34 = 75,940.56/x
  3. Step 3: Cross multiply
    181,149.84x = 271,637.34 × 75,940.56
  4. Step 4: Simplify right side
    181,149.84x = 20,628,291,716.51
  5. Step 5: Solve for x
    x = 20,628,291,716.51/181,149.84
  6. Step 6: Final answer
    x = 113,874.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.